Doubling-machine.



No. 659.695. Patented Oct. I6, I900. W. H. RAMSEUR &. D. W. RAMSEY.

DOUBLING MACHINE.

(Application filed Dec. 18, 1899.)

No Model.)

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UNrrnn STATES PATENT OFFICE.

WILLIAM H. RAMSEUR AND DAVID W. RAMSEY, OF CHARLOTTE, NORTH CAROLINA.

DOUBLING-MACHINE.

SPECIFICATION forming part of Letters Patent No. 659,695, dated October 16, 1900.

Application filed December 18, 1899. Serial No. 740,750. (No model.)

To all whom it may concern:

Be it known that We,WILLIAM H. RAMSEUR and DAVID W. RAMSEY, citizens of the United States, residing at Charlotte, in the county of Mecklenburg and State of North Carolina, have invented a new and useful Doubling- Machine, of which the following is a specification.

In doubling-machines which operate to twist a number of strands or threads upon each other to form two-ply, three-ply, and fourply threads, &c., it is very important to stop the machine upon the breakage of one or more of the threads being so twisted in order that the product may be uniform and contain the desired number of plies or threads.

. The object of this invention is to provide simple mechanism whereby the breaking of any particular thread or threads will immediately throw into operation a cutter which will sever all of the threads between the supply-spools and the bobbin, thus throwing the machine out of operation.

The detailed objects and advantages of the invention will appear more fully in the course of the ensuing description.

The invention consists in a stop-motion for doubling-machines embodying certain novel features of construction and arrangement of parts, as hereinafter fully described, illustrated in the drawings, and incorporated in the claims.

In the accompanying drawings, Figure 1 is a side elevation showing the mechanism of the stop-motion and also showing the guiderolls of the doubling-machine, said view further showing the supply-spools and bobbin and the several strands or threads engaged by the gravity-slides. Fig. 2 is a perspective view of the device of this invention detached from the machine ready for application to any doubling-machine.

Similar n umerals of reference designate corresponding parts in both figures of the drawings.

In the drawings, 1 designatesa bracket provided with a suitable base 2, having openings 3 to receive fasteners whereby the bracket may be secured to the frame of the machine. The bracket 1 comprises an olfstanding and horizontally-disposed guide-plate 4, of suitable length and width to contain a number of apertures 5, in which is arranged a corresponding number of gravity-slides 6. These slides may either be plain or provided with weights or weighted in any suitable manner and are mounted to slide freely through the apertures 5, and each slide is further provided at or near its upper end with a thread receiving eye 7, through which one of the strands 8 passes.

Secured to the guide-plate 4 is a thread collecting guide 9, having parallel pendent portions 10, between which the strands run in their passage to and through the eyes 7 of the gravity-slides. -The collecting-guide 9 is carried by the upper end of a standard 11, which is secured to the guide-plate in any convenient manner.

Fulcrumed on the bracket 1 at the point 12 is an operating-lever 13, the longer arm of which is horizontally widened to form a ledge or table 14, which underlies and is ar ranged in the path of all of the gravity-slides 6. Connected with said long arm of the lever or table is a balance-weight 15, which is adjustable longitudinally thereon by means of a binding-screw 16, passing through the weight and bearing against the lever, so as to properly poise said lever.

Connected to the other or short arm of the lever is a lever-arm 17. The lever-arm 17 is connected by a pivot 18 to the lever 13, and the lever is provided with a horizontally-extending shoulder 19, which cooperates with the lever-arm 17 to normally uphold said lever-arm in longitudinal alinement with the leveritself, as clearly shown in the drawings, the lever and lever-arm being thus connected by a knuckle-joint, which will allow the lever-arm to swing upward without depressing the longer arm of the lever.

The lever-arm 17 is provided near its outer end with a cutting edge 20, and mounted pivotally at 21 on said lever-arm is a vibratory cutter 22, which operates across the cutting edge 20 for severing the threads. The cutter 22 is also provided with an L-shaped upward extension or cutter-arm 23, which is adapted to come in contact with one of the guide-rolls 24 when said lever-arm is swung upward by means hereinafter set forth. A hold off spring 25 is interposed between, alatteralt extension ofi the cutter and a, fixedipoiutton the lever-arm, the function of said spring being to hold the cutter 22 away from theeutting edge 20 and allow the twisted threads or strandsv to pass therethrough without interference.

The lever-arm is provided at its end with an upward extension or finger 26, the upper end of which is notched, as shown; at 2,7,,to receive and engage a flexiblepull strap 28, which extends upward at an inclination and lies with its extremity, partially insented be:- tween the rolls 24 of the mechanism and just ready to be engaged by said" rolls upon-a slight upward movement of the lever-arm.

29 designates a set-lies ofspoolstfromiwhijch the individual threads or; strands are. taken, and represents the bobbin, upon whinhthe twisted or compound threadiis wound.

The several threads from the spools529i are passedfirst through the collectingrgtuidei 9, and thence individually through therespectitveeyes of the gravity-slides 6. 'llhe-st ands or threads are then brought together' and passed between the guiderolls 24; and afjifil" being twisted are carried downwardbet-Ween the cutter 22 and cuttingedge 20 of' the lever-arm, and fromtthat point carnied towin bobbin 30, upon whichlthe twistedthreadi is; wound. 8 break, the gravity-slide'of; that threadiwill at once descend and come in contact with, the; table or ledge portion oftheoperatihgrleven l3,which,bein g accurately balancedtby, means; of the weight 15, easily, descends under, the weight of: the gravity-slide tghus elevating the lever-arm 1.7. however, the extremitysoft the pull-strtapi38mis; forced between the rolls,2,4 sufliciently to be, grasped and frictionally engaged: thereby, wheneupon the rolls actJt dnaWupWaIfllOn the pull-strap and further elevate the= pivoted IGVGFELHH 117., In the upward: movemen ii} of said arm the cutter-arm, 23 comesinl contact and cooperates with one; of the; guiderolls,,witlt the result that a cutter 2 2 is;v:ibrated, thereby effecting asevteranceroft the twisted: thread. This stops ,theimaohine-and prevents thet'urther twisting of an, insufii ,eient numben of strands and enables am attendant to repair the brokemthread and again staph the machine.

From theforegoingit is thoughtthat thfii 1 construction, operation, and many, advan-- tagesiofi the herein-described invention, Willi be apparent to those-skilled inttheautwithouttfurtheltdesoription, andfitwillbe under stood; that various changes ,in;tl1e size, shape, proportion, and minor details oftconstruction may be resortedtto withoutdepanting fromtthe spirit or sacrificing any of; the advantagesof' the inyention.

Having thus described the invention,what; is, claimed astnew, and desiredtobe secured byLetters Patent, is-

1. The combination withdrawing-rollsofia Should one ofi thethreadstonstrands;

As saidiarm; moves upward,

hhtteadrd oublin g m achine,,o.fi amorinally-inacit'lXG} cutter, thread-sustained devices for givin; an initial movement to said cutter, rollactuated means operable to move the cutter subsequent to said initial impulse, and means for positively operating the cutter during the period ofits supplemental movement, as set fbnth.

2. The combination with drawing-rolls of a thread-doubling machine, of a swinging cutter-carrying member,a norm allyinactive cut- -ter on said member, roILactuated means connected with, Said, swinging; memben, threadsustaiued devices operable to initially move 3 t-hememberandlbeingthe roll-actuated means into service for giving a supplemental movement to the inembemandt meanstfor operatingtheoutter positively; as set, forthi,

Thecombinatiom mithta-seriestof threadfsustained: members, andv drawing-tolls, of. a jointed-1 lever havingamagrm iu the path-of the members, a.nm'.mally,-iuaotiveoutten mechanrism on the othen arm of theilever, means-actuated by, the drawing-rolls for,giviug at supplemental movement wmhe cuttermechanism I subsequent tot the i m pt lsot-giwei n thereto by a t member engagingmhe lever, andtmeans fouacttuating theicutter. automatically during the period 0t moyement due tothe pulse ofthe snolltactuatedl means.

4:. Ttheicombination with a, series ofi gnavity-slides-norm ally upheld, by, the-threadsof a dmlblingwmaohinm, ofia leverarranged. in the ipath Ofi said slidesacutten operatively connectedswith saidtleneig auda pull-strap operativelyassociateda with said; lever-and; adapt- .ed to;be,operated.upon by theopiposing rolls. 5, The-combinatiomwithta pliuralityofigravity-slides normally upheld by the-'threadsof a ,doubliugmaohine, ,of atlever arranged-tin; the path lot the slides, athread'cutteroporatively connected with saidlever. and. a flexible pullstrap; connected tolthelever andthaving its oppQsiteend anranged adjacenhtto the guide- ?rolls oi the machine.

6.. Thecombinatiomwith a plurality. 013 grav- Hay-slidesnormally upheldtby,theithreads of, a doubling-machine, of a lever arrangediinthe path of the slides,,atthreadecutteti operatively =connectedt with; saidt lever, and meanslinterposed between said leverand the guiderrolls :fou acting on; the leven and throwing theycutten into; operation. Z. The combinationwith a plu rality of gravlity-slidesnormallyvupheld;by thethreads of a. doublingmaohine, of; a lever arrangedinthe path of;the-s1ides, atthneadtcuttermovable with said lever, meansfon counterpoisingthe levtemarhold-otf spring connected to said: out- ,ter, antlzmeans lDithQ,=pat h Ofi the, cutter: to actuate the latter on the movement of the s ves. l 8. The c0mbinationwithtat luralitytoftgravity-slidestnomnally upheldmyths-threaded: a doubling machine, of a levenarnanged: in the path of the slides, a pivoted lever -armtoontnected, thereto, a cutter carried by saidarm,

IIO

and cutter-operating means actuated by the guide-rolls upon the breakage of the thread, substantially as described.

9. The combination withapluralityofgravity-slides normally upheld by the threads of a doubling-machine, of a lever arranged in the path of the slides, a pivoted arm connected to the lever by a knuckle-joint, a cutter carried by said arm, and means adapted to be operated upon by the guide-rolls for vibrating the lever-arm and operating the cutter.

10. The combination with a plurality of gravity-slides normally upheld by the threads of a doubling-machine, of a lever arranged in the path of the slides, an arm having a jointed connection with the lever, a thread-cutter carried by the arm, means for count-erpoising the lever against the Weight of the arm and the cutter, and means for moving the arm and the cutter subsequently to the movement of the lever under the impulse of one of the slides.

11. The combination with a plurality of gravity-slides normally upheld by the threads of a doubling-machine, of a lever arranged in the path of the slides and provided at its extremity with a projecting finger, a pull-strap connected to said finger and having its extremity arranged to be operated upon by the guide-rolls, and the thread-cutter carried by said lever.

12. The combination of a .table, a plurality of gravity-slides guided by the table and normally upheld by the threads of a doublingmachine, a counterpoised lever arranged in the path of the slides, a thread-cutter carried by said lever, means for automatically throwing the cutter into operative position on its movement with the lever, and a collectingguide fixed to the table and arranged between the supplyspools and the gravity-slides.

13. The combination with drawingrolls, and thread-sustained members, of a jointed lever having one of its arms provided with a cutter edge, a movable knife fitted to said lever-arm and provided with a finger arranged to impinge one of the rolls, and a retractor for the knife, substantially as described.

14. The combination with drawingrolls, and thread-sustained members,of a lever having an arm jointed thereto for limited independent movement, a thread cutter having its fixed and movable members carried by said jointed lever arm, a finger on the movable cutter member, a retractor for said movable cutter member, and means for giving movement to the jointed arm and the thread-cutter subsequent to the movement of the lever under the action of one thread sustained member.

In testimony that we claim the foregoing as our own We have hereto affixed our signatures in the presence of two witnesses.

XVILLIAM H. RAMSEUR. DAVID W. RAMSEY.

WVitnesses: C. G. WEARN,

W. D. OoWLEs. 

